User manual SHARP FU-21SE

[. . . ] Repair and disassembly of this product are to be performed by authorized service personnel only. Periodically remove dust from the power plug Accumulated dust on the power plug may cause bad insulation from humidity, etc. When cleaning the unit, be sure to remove the power plug from the wall outlet. Do not use the unit where there are oil ingredients such as cooking oil, etc. [. . . ] When using the unit for extensive period in the same location, use a vinyl sheet, etc. (Lights when the power plug is inserted into the wall outlet) It can't detect pollen and dust without smell. Clean-sign lamp The color changes when the air is dirty Clean (green) Little dirty (orange) Very dirty (red) The dirt sensor displays a clean sign depending on the relative change of the environment at the time the power plug is inserted in the wall outlet and after. ⷠWhen the air is extremely dirty at the time the power plug is inserted, the dirt sensor display may light green since the polluted state is the environment which the sensor bases the pollution rate on. (Used to select operations or turn the unit off) When the cluster ion operation is in the Clean mode or AUTO cluster ion mode and the air in the room is dirty, the light turns on and the unit will operate in the Clean mode. When the cluster ion operation is in the Refresh mode or AUTO cluster ion mode and the air in the room is dirty, the light turns on and the unit will operate in the Refresh mode. If the lamp is bright when sleeping, or if the ion generation noise is irritating, turn off the cluster ion operation. To maintain the quality of the filters, they are installed in the main unit within polyvinyl bags. Be sure to remove the filters from the polyvinyl bags before using the unit. Bring up both sides of the front panel bottom to remove the front panel. 1 Place the unit facing up and remove the front panel 2 Remove the filter support Two tabs are pinched, and it is lifted to remove it. Take caution of the following when handling: · When replacing the batteries, replace both batteries with new ones of the same type. When not using the unit or remote control for an extensive period, remove the batteries. This prevents malfunction of the remote control from battery fluid leakage. * The included batteries are for initial use only and may deplete before 1 year. Proper operation cannot be achieved when installing the filter backwards. ⷠA sound will be heard from the main unit when a signal is received. In addition, do not wet the remote control or place it under direct sunlight or near a stove, etc. For the first 2 minutes after the power plug is inserted into the wall outlet, the unit will check the conditions of the air. If operation is set to ON during this time, the Clean sign lamp will alternately flash in green, orange and red. [. . . ] (Refer to E-4) · Dirt sensor cannot detect pollen and dust without smell. (Refer to E-4) · The sensitivity of the sensor becomes unstable when the opening of the dirt sensor is dirty or is clogged. During the Clean mode (or Refresh mode), the cluster ion lamp color will not change. ⷠThis is the sound that is emitted when the unit is in the Refresh mode. [. . . ]